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Discussion Starter #1
WHAT KIND OF OIL DOES EVERYBODY USE? THE REASON I WAS ASKING WAS BECAUSE I WAS THINKING OF CHANGING AND WAS WONDERING WHAT WAS GOOD. I AM USING CASTROL HEAVY DUTY AND NOT REAL SURE IF ITS MADE FOR MY TRUCK SO I THOUGHT I MIGHT CHANGE.
 

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Mobile Delvac 1 5w-40 at the moment. Good stuff but expensive.
 

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Chevron Delo 400 15w-40


I've only changed my oil on this truck once so far, so take that into consideration.
 

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I've used Shell Rotella-T 15W40, Mobil Delvac 1300 Super 15W40, and Shell Rotella-T 5W40 semi-synthetic. Still got at least one change of all three on-hand. Will be trying Schaeffer's 7000 15W40 and maybe Mobil Delvac-1 in the future. Any modern diesel oil with the proper ratings is fine. I prefer the 15W40 regular oils in the warm months and a synthetic in the colder ones. I've had excellent oil analysis results on all the brands that I've used so far.
 

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Chevron Delo 400 15w-40 is inexpensive at Costco. I used it for 168,000 miles in my '84 6.2L diesel before I sold the truck.


Rotella 15w-40 is inexpensive from Sam's Club or Wally World.


Both have the recommended API service designations for the LLY and LB7.
 

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Valvoline Premium Blue 15W-40 in the summer.


Shell Rotella Synthetic 5W-40 in the winter.
 

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In Vermont, where we take our snow tires off on June 15 and put them back on August 15, Shell Rotella 5w-40 synthetic.
 

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Rickles04...whatever you go with, just make sure it has not been involved in any class action lawsuits..
 

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Schaeffer's 7000 Supreme 15w40 Synthetic Blend. A shade under $13.00 a gallon at my local Schaeffer's dealer. Excellent product, reputation, and backed up with research. There are several sites out there with the research, just check via search engine.


Just chiming in.
 

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Been using Delvac 1 since first oil change 25,000 miles ago. Seems like good stuff.

TC
 

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Chevron Delo 400 15w-40
 

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Rotella 15w-40. I'm very happy with it.
 

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Delvac 1300 15W40. Hard to beat at $5.88 a gallon at Wal-Mart.
 

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Rotella 15w-40 sense truck was new.
 

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Mobil Delvac 1300 Super 15W40


Same as what Pick said, until I get 10,000 on the truck. Then it's Delvac 1 for the rest of it's life.
 

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Considered Delvac-1 could not find it anywhere, Went with Rotella-T 15w-40.


For the guys usind Delvac-1 where are you buying it and how much are you paying?


Corsair
 

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Delo 400 for me. Plan to stick with it for the life of the truck. The truck will wear out before the DMAX will anyway, so any dino CI-4 oil will do the job.
 

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Rotella 15W-40 for me @27K no issues. Might use the Rotella Syn 5W-40 next winter just for better starts when it's cold, then back to the 15W-40 in the spring.


JP
 
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